Economic Definition of scarcity. Offline Version: PDF. Term scarcity Definition: A pervasive condition of human existence that exists because society has unlimited wants and needs, but limited resources used for their satisfaction.
EHEC is an abbreviation for enterohaemorrhagic Escherichia coli. Escherichia coli (E. coli) is a. bacterium that is commonly found in the gut of humans and warm-blooded animals. Most strains. of E. coli are harmless. Some strains however, such as EHEC, can cause severe foodborne disease.
Enteroaggregative Escherichia coli (EAEC), an increasingly recognized cause of diarrhea in children in developing countries, has been particularly associated with persistent diarrhea (more than 14 days), a major cause of illness and death.